# coding=utf-8 
import turtle 
from datetime import *
# 抬起画笔，向前运动一段距离放下 
def Skip(step): 
  turtle.penup() 
  turtle.forward(step) 
  turtle.pendown() 
def mkHand(name, length): 
  # 注册Turtle形状，建立表针Turtle 
  turtle.reset() 
  Skip(-length * 0.1) 
  # 开始记录多边形的顶点。当前的乌龟位置是多边形的第一个顶点。 
  turtle.begin_poly() 
  turtle.forward(length * 1.1) 
  # 停止记录多边形的顶点。当前的乌龟位置是多边形的最后一个顶点。将与第一个顶点相连。 
  turtle.end_poly() 
  # 返回最后记录的多边形。 
  handForm = turtle.get_poly() 
  turtle.register_shape(name, handForm) 
def Init(): 
  global secHand, minHand, hurHand, printer 
  # 重置Turtle指向北 
  turtle.mode("logo") 
  # 建立三个表针Turtle并初始化 
  mkHand("secHand", 135) 
  mkHand("minHand", 125) 
  mkHand("hurHand", 90) 
  secHand = turtle.Turtle() 
  secHand.shape("secHand") 
  minHand = turtle.Turtle() 
  minHand.shape("minHand") 
  hurHand = turtle.Turtle() 
  hurHand.shape("hurHand") 
  for hand in secHand, minHand, hurHand: 
    hand.shapesize(1, 1, 3) 
    hand.speed(0) 
  # 建立输出文字Turtle 
  printer = turtle.Turtle() 
  # 隐藏画笔的turtle形状 
  printer.hideturtle() 
  printer.penup() 
def SetupClock(radius): 
  # 建立表的外框 
  turtle.reset() 
  turtle.pensize(7) 
  for i in range(60): 
    Skip(radius) 
    if i % 5 == 0: 
      turtle.forward(20) 
      Skip(-radius - 20) 
        
      Skip(radius + 20) 
      if i == 0: 
        turtle.write(int(12), align="center", font=("Courier", 14, "bold")) 
      elif i == 30: 
        Skip(25) 
        turtle.write(int(i/5), align="center", font=("Courier", 14, "bold")) 
        Skip(-25) 
      elif (i == 25 or i == 35): 
        Skip(20) 
        turtle.write(int(i/5), align="center", font=("Courier", 14, "bold")) 
        Skip(-20) 
      else: 
        turtle.write(int(i/5), align="center", font=("Courier", 14, "bold")) 
      Skip(-radius - 20) 
    else: 
      turtle.dot(5) 
      Skip(-radius) 
    turtle.right(6)    
def Week(t):   
  week = ["星期一", "星期二", "星期三", 
      "星期四", "星期五", "星期六", "星期日"] 
  return week[t.weekday()]  
def Date(t): 
  y = t.year 
  m = t.month 
  d = t.day 
  return "%s %d%d" % (y, m, d)   
def Tick(): 
  # 绘制表针的动态显示 
  t = datetime.today() 
  second = t.second + t.microsecond * 0.000001
  minute = t.minute + second/60.0
  hour = t.hour + minute/60.0
  secHand.setheading(6 * second) 
  minHand.setheading(6 * minute) 
  hurHand.setheading(30 * hour)    
  turtle.tracer(False)  
  printer.forward(65) 
  printer.write(Week(t), align="center", 
         font=("Courier", 14, "bold")) 
  printer.back(130) 
  printer.write(Date(t), align="center", 
         font=("Courier", 14, "bold")) 
  printer.home() 
  turtle.tracer(True)   
  # 100ms后继续调用tick 
  turtle.ontimer(Tick, 100) 
def main(): 
  # 打开/关闭龟动画，并为更新图纸设置延迟。 
  turtle.tracer(False) 
  Init() 
  SetupClock(160) 
  turtle.tracer(True) 
  Tick() 
  turtle.mainloop() 
   
if __name__ == "__main__": 
  main()
